I-9, r. 6 - Code of ethics of engineers

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3.07.06. An engineer agrees to act with diligence on any request in writing made by his client for the purpose of taking back a document or item which the client had left with him.
The engineer indicates in the record established in respect of his client, as the case may be, the reasons for the client’s request.
O.C. 920-2002, s. 1.